joanleon.dev

.dev crawl

First seen 2026-04-13 · Last seen 2026-05-02 · ok HTTP/1.1 200 883 ms crawled 2026-05-07

DE · 35.157.26.135 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Joan León
Description
Blog de desarrollo web: Web Performance, CSS, JavaScript, React, Web Animation, Media Optimization y Creative Coding.
Language
es
Canonical
https://joanleon.dev/

Open Graph

url
https://joanleon.dev/
title
Joan León
description
Blog de desarrollo web: Web Performance, CSS, JavaScript, React, Web Animation, Media Optimization y Creative Coding.

Technology

CDN
Netlify
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • cdn.speedcurve.com×1
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • dns1.p01.nsone.net
  • dns2.p01.nsone.net
  • dns3.p01.nsone.net
  • dns4.p01.nsone.net

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-03-31 to 2026-06-29
Expires in 41 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://joanleon.dev/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (5)

Linked from (1)